Java Double to Byte Array doubleToBytes(double d, byte[] bytes, int off, boolean bigEndian)

Description

double To Bytes

License

LGPL

Declaration

public static byte[] doubleToBytes(double d, byte[] bytes, int off, boolean bigEndian) 

Method Source Code

//package com.java2s;
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1/*from ww  w  .ja  va2s .  c  o  m*/
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

public class Main {
    public static byte[] doubleToBytes(double d, byte[] bytes, int off, boolean bigEndian) {
        return bigEndian ? doubleToBytesBE(d, bytes, off) : doubleToBytesLE(d, bytes, off);
    }

    public static byte[] doubleToBytesBE(double d, byte[] bytes, int off) {
        return longToBytesBE(Double.doubleToLongBits(d), bytes, off);
    }

    public static byte[] doubleToBytesLE(double d, byte[] bytes, int off) {
        return longToBytesLE(Double.doubleToLongBits(d), bytes, off);
    }

    public static byte[] longToBytesBE(long l, byte[] bytes, int off) {
        bytes[off] = (byte) (l >> 56);
        bytes[off + 1] = (byte) (l >> 48);
        bytes[off + 2] = (byte) (l >> 40);
        bytes[off + 3] = (byte) (l >> 32);
        bytes[off + 4] = (byte) (l >> 24);
        bytes[off + 5] = (byte) (l >> 16);
        bytes[off + 6] = (byte) (l >> 8);
        bytes[off + 7] = (byte) l;
        return bytes;
    }

    public static byte[] longToBytesLE(long l, byte[] bytes, int off) {
        bytes[off + 7] = (byte) (l >> 56);
        bytes[off + 6] = (byte) (l >> 48);
        bytes[off + 5] = (byte) (l >> 40);
        bytes[off + 4] = (byte) (l >> 32);
        bytes[off + 3] = (byte) (l >> 24);
        bytes[off + 2] = (byte) (l >> 16);
        bytes[off + 1] = (byte) (l >> 8);
        bytes[off] = (byte) l;
        return bytes;
    }
}

Related

1. doubleToByteArray(double value)
2. doubleToByteArrayBE(double data)
3. doubleToBytes(double d)
4. doubleToBytes(double d)
5. doubleToBytes(double d)
6. doubleToBytes(double d, byte[] data, int[] offset)
7. doubleToBytes(double dnum, byte[] bytes, int startIndex)
8. doubleToBytes(double v, byte[] bytes)
9. doubleToBytes(double v, byte[] bytes, int off)